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Development of a real-time polymerase chain reaction assay for reliable detection of a novel porcine circovirus 4 with an endogenous internal positive control
A novel porcine circovirus 4 (PCV4) was recently identified in Chinese and Korean pig herds. Although several conventional polymerase chain reaction (cPCR) and real-time PCR (qPCR) assays were used for PCV4 detection, more sensitive and reliable qPCR assay is needed that can simultaneously detect PCV4 and internal positive control (IPC) to avoid false-negative results. In the present study, a duplex qPCR (dqPCR) assay was developed using primers/probe sets targeting the PCV4 Cap gene and pig (glyceraldehyde-3-phosphate dehydrogenase) GAPDH gene as an IPC. The developed dqPCR assay was specific...
Korean J. Vet. Serv. 2022; 45(1): 1-11
Surveillance of African swine fever infection in wildlife and environmental samples in Gangwon-do
African swine fever (ASF) is fatal to domestic pigs and wild boars (Sus scrofa) and affects the domestic pig industry. ASF is transmitted directly through the secretions of infected domestic pigs or wild boars, an essential source of infection in disease transmission. ASFV is also very stable in the environment. Thus, the virus is detected in the surrounding environment where ASF-infected carcasses are found. In this study, ASF infection monitoring was conducted on the swab and whole blood samples from wild animals, various hematopoietic arthropod samples that could access infected wild boar c...
Korean J. Vet. Serv. 2022; 45(1): 13-18
Simple and rapid colorimetric detection of African swine fever virus by loop-mediated isothermal amplification assay using a hydroxynaphthol blue metal indicator
In this study, a simple loop-mediated isothermal amplification (LAMP) combined with visual detection method (vLAMP) assay was developed for the rapid and specific detection of African swine fever virus (ASFV), overcoming the shortcomings of previously described LAMP assays that require additional detection steps or pose a cross-contamination risk. The assay results can be directly detected by the naked eye using hydroxynaphthol blue after incubation for 40 min at 62℃. The assay specifically amplified ASFV DNA and no other viral nucleic acids. The limit of detection of the assay was
Korean J. Vet. Serv. 2022; 45(1): 19-30
Molecular characterization of H3N2 influenza A virus isolated from a pig by next generation sequencing in Korea
Swine influenza (SI) is an important respiratory disease in pigs and epidemic worldwide, which is caused by influenza A virus (IAV) belonging to the family of Orthomyxoviridae. As seen again in the 2009 swine-origin influenza A H1N1 pandemic, pigs are known to be susceptible to swine, avian, and human IAVs, and can serve as a ‘mixing vessel’ for the generation of novel IAV variants. To this end, the emergence of swine influenza viruses must be kept under close surveillance. Herein, we report the isolation and phylogenetic study of a swine IAV, A/swine/Korea/21810/2021 (sw21810, H3N...
Korean J. Vet. Serv. 2022; 45(1): 31-38
Re-evaluation on conversion system of BactoScan and BactoCount for raw milk in South Korea
The total bacteria count is significantly important factor for hygienic quality in raw milk. BactoScan FMTM and BactoCount IBCTM are the automated instruments for the determination of the total bacterial count in raw milk. They have been used after calibration by standard plate count (SPC) method in South Korea since 2000. It is necessary to re-evaluate for total bacterial counter according to the improvement of milk quality and the change of milk quality grade. Therefore, this study was evaluated the conversion mode of the two machines by SPC method. We collected 921 bulk-tank milk samples th...
Korean J. Vet. Serv. 2022; 45(1): 39-45
Analysis of inflammatory markers in blood related with the occurrence of subcutaneous abscesses in goats
Subcutaneous abscesses, which occur mainly in goats and sheep, are lymph node abscesses caused by Corynebacterium pseudotuberculosis infection, and are divided into internal, external, and mixed types depending on the type of occurrence. While diagnostic methods for subcutaneous abscesses have been continuously studied, research reports for effective treatment and management of subcutaneous abscesses are inadequate. Therefore, this study was conducted to determine the changes in biometric information related to the inflammatory markers of goats induced by subcutaneous abscesses by infection wi...
Korean J. Vet. Serv. 2022; 45(1): 47-54
Assessment of coagulation function by thromboelastography in dogs with mitral valve insufficiency
In veterinary medicine, a variety of disease are known to cause coagulation abnormalities. Identification of these coagulation abnormalities have been relied on traditional coagulation assays(platelet concentration, aPTT, PT, D-dimer, fibrinogen) which take only a small part of the coagulation pathways rather than global hemostatic capacity. Among of the hypercoagulable diseases, cardiovascular disease, such as mitral valvular disease, was not regarded as the cause of the hypercoagulability. The value of a thromboelastography (TEG) as an early predictor of coagulopathy, especially hypercoagula...
Korean J. Vet. Serv. 2022; 45(1): 55-61
Detection of etiological agents of proliferative and necrotizing pneumonia in pigs in Jeju
Proliferative and necrotizing pneumonia (PNP) is a form of interstitial pneumonia that occurs in post-weaning pigs. In this study, we investigated the presence of swine influenza virus (SIV), porcine reproductive and respiratory syndrome virus (PRRSV), porcine circovirus type 2 (PCV2) and Aujeszky’s disease virus (ADV) in PNP lesions in Jeju pigs. Based on the histopathologic criteria for PNP, a total of 50 cases were selected in Jeju pigs between 2008 and 2010. Coupled with histopathological examinations, the presence of ADV and SIV by polymerase chain reaction (PCR) and reverse transcr...
Korean J. Vet. Serv. 2022; 45(1): 63-69

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About This Journal

The Korean Journal of Veterinary Service (Korean J. Vet. Serv.) is devoted to the advancement and dissemination of scientific knowledge concerning veterinary sciences and related academic disciplines. It is published quarterly and is the official publication of the Korean J. Vet. Serv.. This journal is published in English or Korean by the KOSVES. It covers all the scientific and technological aspects of veterinary sciences in general, anatomy, physiology, biochemistry, pharmacology, microbiology, pathology, public health, parasitology, infectious diseases, clinical sciences, alternative veterinary medicine, animal welfare, food science of animal resources and other biomedical fields.

Korean Journal of
Veterinary Service

eISSN 2287-7630
pISSN 1225-6552
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